There should be a standard report that can be found in *Default Reports * that shows upcoming or past due training. This is a standard report that everyone is expecting to access easily. Even if we do require it to be built in customer reports, that same report should be shared throughout all sites.
Customer reports should be shared throughout all sites. Not as far of the data that shows up on each report, but as far as the information it will pull that is pertaining to that particular site.